: While HOU offers various visitor services and automated vending (IVKs), dedicated SIM card kiosks are not as widely documented as they are at IAH. Important Tips for Travelers Where/how to get a new sim card at IAH airport? - Houston
: Upon exiting customs in Terminal E, the Wall Street Journal store has previously been noted to carry SIM cards, though stock may be limited to specific brands. William P. Hobby Airport (HOU)
: Often carries prepaid SIM options from carriers like T-Mobile.
: Located in Terminal D and other terminals, these machines sometimes stock "SIM International" starter packs, though availability for specific US carriers (like T-Mobile) may vary.
: Terminal E (Gate E2) and the Terminal C/D Connector.
: Terminal C (after security) and Terminal E (near Gate E24). Automated Kiosks :